netdev - Re: [PATCH v2 24/35] brcmfmac: feature: Add support for setting feats based on WLC version

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Message-ID: <d94863f2-8e7e-801b-07db-459e81083932@broadcom.com>
Date:   Fri, 21 Jan 2022 08:35:17 +0100
From:   Arend van Spriel <arend.vanspriel@...adcom.com>
To:     Hector Martin <marcan@...can.st>,
        Kalle Valo <kvalo@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>,
        Arend van Spriel <aspriel@...il.com>,
        Franky Lin <franky.lin@...adcom.com>,
        Hante Meuleman <hante.meuleman@...adcom.com>,
        Chi-hsien Lin <chi-hsien.lin@...ineon.com>,
        Wright Feng <wright.feng@...ineon.com>,
        Dmitry Osipenko <digetx@...il.com>
Cc:     Sven Peter <sven@...npeter.dev>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>,
        Mark Kettenis <kettenis@...nbsd.org>,
        Rafał Miłecki <zajec5@...il.com>,
        Pieter-Paul Giesberts <pieter-paul.giesberts@...adcom.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Hans de Goede <hdegoede@...hat.com>,
        "John W. Linville" <linville@...driver.com>,
        "brian m. carlson" <sandals@...stytoothpaste.net>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-acpi@...r.kernel.org, brcm80211-dev-list.pdl@...adcom.com,
        SHA-cyfmac-dev-list@...ineon.com
Subject: Re: [PATCH v2 24/35] brcmfmac: feature: Add support for setting feats
 based on WLC version

On 1/4/2022 8:26 AM, Hector Martin wrote:
> The "wlc_ver" iovar returns information on the WLC and EPI versions.
> This can be used to determine whether the PMKID_V2 and _V3 features are
> supported.

I have my doubts whether this mechanism will be reliable, but we can 
wait and see whatever hits the fan over time. I stayed away from this 
because it is not well guarded. Especially when there are 4 entities 
these days spinning firmware and tinkering on the firmware api without 
much collaboration.

Acked-by: Arend van Spriel <arend.vanspriel@...adcom.com>
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
> Signed-off-by: Hector Martin <marcan@...can.st>
> ---
>   .../broadcom/brcm80211/brcmfmac/feature.c     | 48 +++++++++++++++++++
>   .../broadcom/brcm80211/brcmfmac/feature.h     |  4 +-
>   .../broadcom/brcm80211/brcmfmac/fwil_types.h  | 25 ++++++++++
>   3 files changed, 76 insertions(+), 1 deletion(-)

Download attachment "smime.p7s" of type "application/pkcs7-signature" (4219 bytes)